Uploaded April 2025 | Updated September 2026, 2 weeks ago
Barbara Nash & Nick Zentner | April 25, 2025
University of Utah Geology Professor Emeritus Barbara Nash chats with Nick about her tephra database related to various ash fallout beds across the Pacific Northwest.
Barbara Nash & Nick Zentner | April 25, 2025
University of Utah Geology Professor Emeritus Barbara Nash chats with Nick about her tephra database related to various ash fallout beds across the Pacific Northwest.










